Home / 1,489.44-2,056.35-958.52

Finding the Fourth Proportional to 1,489.44, 2,056.35 and 958.52

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Solution

The fourth proportional to 1,489.44, 2,056.35 and 958.52 is: 1,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.44 : 2,056.35 = 958.52 : x
  2. Step 2: Convert to fraction form
    1,489.44/2,056.35 = 958.52/x
  3. Step 3: Cross multiply
    1,489.44x = 2,056.35 × 958.52
  4. Step 4: Simplify right side
    1,489.44x = 1,971,054.40
  5. Step 5: Solve for x
    x = 1,971,054.40/1,489.44
  6. Step 6: Final answer
    x = 1,323.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.